Read on Twitter
So the Wikipedia page for Kim Jong Un's sister has already changed. It says she became Supreme Leader on April 21st 2020. #KimJongUn #NorthKorea
Update: it no longer says this.
Brief look at the edit history looks like there's some back and forth editing and reverting by different accounts
Multiple edits made at different times by the same unregistered user, an IP address in Kuwait
